Photonics Research, Volume. 11, Issue 1, 12(2023)
Fast and hydrosensitive switching of plasmonic nanocavities via photothermal effect
Fig. 1. Design of thermo-responsive plasmonic system with
Fig. 2. Synthesis of
Fig. 3. Temperature-responsive Au NPoM with
Fig. 4. Comparison of the RI results measured from the TGA and SPR methods. (a) Change of weight ratio with temperature measured via TGA. (b) Change of surface relative humidity (RH) with temperature measured via a humidimeter. (c) Simulated change of SPR with RI. (d) Comparison of the RI measured from the TGA and SPR approaches.
Fig. 5. Laser-directed tuning of the plasmon resonances of Au NPoM coated with
Fig. 6. Characterizations of
Fig. 7. Change of scattering spectra of Au NPs coated with
Fig. 8. Thermal switching performance of Au NPoM with
Fig. 9. Theoretical simulations of the change of (a) the SPR wavelength with RI at different gaps and (b) the surface temperature of Au NPoM with irradiation power. Laser wavelength: 532 nm.
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Fangqi Chen, Yong Liu, Tao Ding, "Fast and hydrosensitive switching of plasmonic nanocavities via photothermal effect," Photonics Res. 11, 12 (2023)
Category: Surface Optics and Plasmonics
Received: Jul. 18, 2022
Accepted: Sep. 21, 2022
Published Online: Dec. 15, 2022
The Author Email: Tao Ding (t.ding@whu.edu.cn)